https://www.openzeppelin.com/
OpenZeppelin | The Security Standard for Onchain Finance
OpenZeppelin is the security standard for onchain finance. Institutional-grade smart contract audits, contract libraries, and open source tools trusted by...
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https://old-docs.openzeppelin.com/contracts-cairo/1.0.0/api/introspection
Introspection - OpenZeppelin Docs
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https://old-docs.openzeppelin.com/contracts-cairo/1.0.0/api/erc20
ERC20 - OpenZeppelin Docs
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https://docs.openzeppelin.com/substrate-runtimes/pallets/proxy
pallet_proxy | OpenZeppelin Docs
The official documentation for OpenZeppelin Libraries and Tools
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https://advisories.gitlab.com/pypi/openzeppelin-cairo-contracts/GMS-2023-240/
OpenZeppelin Contracts contains Improper Verification of Cryptographic Signature | GitLab Advisory...
GMS-2023-240 OpenZeppelin Contracts contains Improper Verification of Cryptographic Signature: Cause is_valid_eth_signature is missing a call to...
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https://old-docs.openzeppelin.com/contracts-cairo/3.0.0-alpha.0/
Contracts for Cairo - OpenZeppelin Docs
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https://www.jsdelivr.com/package/npm/@openzeppelin/contracts-upgradeable
@openzeppelin/contracts-upgradeable CDN by jsDelivr - A CDN for npm and GitHub
A free, fast, and reliable CDN for @openzeppelin/contracts-upgradeable. Secure Smart Contract library for Solidity
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https://old-docs.openzeppelin.com/contracts-cairo/0.14.0/
Contracts for Cairo - OpenZeppelin Docs
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https://www.openzeppelin.com/news/open-source-collaboration-in-the-blockchain-era-evm-packages
Open source collaboration in the blockchain era: EVM packages - OpenZeppelin blog
Aug 26, 2025 - Smart contract development is still in its early days. We’re all still trying to figure out what it will look like and how to polish the developer experience....
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https://github.com/openzeppelin
OpenZeppelin · GitHub
The standard for secure blockchain applications. OpenZeppelin has 188 repositories available. Follow their code on GitHub.
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https://old-docs.openzeppelin.com/learn/deploying-and-interacting
Deploying and interacting with smart contracts - OpenZeppelin Docs
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https://blockchainmagazine.net/openzeppelin-securing-future-of-blockchain/
OpenZeppelin Is Securing The Future Of Blockchain Innovation
Jul 4, 2025 - In the fast-evolving world of blockchain, where digital assets worth billions are at stake, security is paramount. OpenZeppelin, a leading open-source
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https://www.openzeppelin.com/request?id=talk_to_an_expert-home_hero
OpenZeppelin | Request a Security Audit
The security standard for onchain finance. | Smart Contracts Audit
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https://jobs.blueyard.com/companies/openzeppelin-2/jobs/36937892-blockchain-security-researcher
Blockchain Security Researcher @ OpenZeppelin | BlueYard Capital Job Board
Search job openings across the BlueYard Capital network.
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https://www.openzeppelin.com/news/testing-real-world-contract-upgrades
Testing real-world contract upgrades - OpenZeppelin blog
Sep 12, 2025 - Deploying to production can be a stressful experience, especially if you don’t have a proper suite of tests to ensure that what you built will run smoothly. |...
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https://www.openzeppelin.com/careers
OpenZeppelin | Careers
Become a part of our global team dedicated to protecting the open economy and help us foster economic freedom worldwide. | Smart Contracts Audit
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https://docs.openzeppelin.com/substrate-runtimes/guides/hrmp_channels
Sending Cross-Chain Messages between Parachains | OpenZeppelin Docs
The official documentation for OpenZeppelin Libraries and Tools
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https://www.web3.university/article/leveraging-openzeppelin-contracts-and-defender-to-build-secure-multisig-owned-nfts
Leveraging OpenZeppelin Contracts and Defender to Build Secure Multisig-Owned NFTs
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https://forum.openzeppelin.com/t/developer-wanted-create-a-burnable-and-staking-token/4386
Developer Wanted: Create a burnable and staking token - Developer Wanted - OpenZeppelin Forum
Nov 4, 2020 - Hello, I am new to the process of coding a token. I wish to create a token with a 5% tax on each sell (on uniswap), 2.5% of it would be burned and the other...
developerwantedcreatestakingtoken
https://docs.openzeppelin.com/contracts/3.x
Contracts | OpenZeppelin Docs
The official documentation for OpenZeppelin Libraries and Tools
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https://www.openzeppelin.com/networks/arbitrum
Build Secure Smart Contracts on Arbitrum with OpenZeppelin
OpenZeppelin powers development on Arbitrum with audited smart contract libraries, upgrade tooling, and monitoring services, helping teams build secure,...
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https://forum.openzeppelin.com/t/withdrawal-pattern/4909
Withdrawal Pattern - Contracts - OpenZeppelin Forum
Dec 4, 2020 - Is there a withdrawal pattern in any of the OpenZeppelin contracts which protects against DOS (Denial of Service) attacks?
withdrawalpatterncontractsopenzeppelinforum
https://www.juust.org/index.php/openzeppelin-erc721-sol-not-found-in-vs-code/2023/05/
@openzeppelin/ERC721.sol not found in VS Code - Juust
May 29, 2023 - Got the 721.sol not found no callback error in VS Code writing smart contracts ? It could be due to the version of the VS Code Solidity plugin.
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https://forum.openzeppelin.com/u/iphelix
Profile - iphelix - OpenZeppelin Forum
A place for developers to learn, discuss, and explore design patterns and best practices around Ethereum, Solidity, and smart contract development
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https://forum.openzeppelin.com/t/new-partnership-with-messari/1924
New Partnership with Messari - Announcements - OpenZeppelin Forum
Dec 11, 2019 - We are excited to announce we have partnered with Messari to offer new services for transparency and security. Messari is a data aggregation platform building...
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https://www.openzeppelin.com/news/on-tokens-and-crowdsales-4-challenges-and-how-to-tackle-them-16be887adf5f
On Tokens and Crowdsales: 4 Challenges and How to Tackle Them - OpenZeppelin blog
Sep 12, 2025 - There are now 50+ projects that have raised a combined $250m+ issuing and selling their own tokens on a blockchain. This represents a new way of starting...
https://old-docs.openzeppelin.com/contracts-cairo/1.0.0/security
Security - OpenZeppelin Docs
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https://www.openzeppelin.com/news/securely-manage-smart-contract-upgrades
New Tools to Securely Manage Smart Contract Upgrades - OpenZeppelin blog
Sep 11, 2025 - We have partnered with Truffle, Nomic Labs (buidler) and Gnosis Safe to release two plugins and a new app to securely deploy and manage upgradeable smart...
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https://old-docs.openzeppelin.com/stellar-contracts/0.4.0/access/access-control
Access Control - OpenZeppelin Docs
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https://www.openzeppelin.com/blockchain-infrastructure
OpenZeppelin | Blockchain Infrastructure Security Audit
Blockchain infrastructure security audits from OpenZeppelin. We review offchain codebases, nodes, bridges, and infrastructure components to protect protocols...
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https://old-docs.openzeppelin.com/contracts-cairo/0.18.0/
Contracts for Cairo - OpenZeppelin Docs
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https://www.openzeppelin.com/news/the-4-stages-of-a-token-sale-cc88fbe1717a
The 4 Stages of a Token Sale - OpenZeppelin blog
Sep 12, 2025 - Token sales have emerged as a fundraising alternative to traditional venture capital. To this day, $380+ million have been raised through public token sales —...
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https://old-docs.openzeppelin.com/contracts-cairo/0.20.0/
Contracts for Cairo - OpenZeppelin Docs
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https://scarbs.xyz/packages/openzeppelin_interfaces
openzeppelin_interfaces | Scarbs.xyz, the Cairo package registry
A Cairo package registry for Scarb
the cairoopenzeppelininterfacesxyzpackage
https://old-docs.openzeppelin.com/contracts-cairo/0.17.0/
Contracts for Cairo - OpenZeppelin Docs
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https://www.openzeppelin.com/networks/op-mainnet
Build Secure Smart Contracts on OP Mainnet with OpenZeppelin
OpenZeppelin equips developers on OP Mainnet with audited contracts, upgrade plugins, and monitoring tools to build secure, lowcost applications on Ethereum’s...
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https://wizard.openzeppelin.com/
OpenZeppelin Contracts Wizard
An interactive smart contract generator based on OpenZeppelin Contracts.
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https://advisories.gitlab.com/pkg/npm/@openzeppelin/contracts/CVE-2023-26488/
https://advisories.gitlab.com/npm/@openzeppelin/contracts/CVE-2023-26488/
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https://forum.openzeppelin.com/c/support/17
Support - OpenZeppelin Forum
Ask for help and guidance about OpenZeppelin libraries and tools.
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https://training.mammothinteractive.com/courses/hello-coding-5-0/lectures/45156185
00 Build An Nft Minting Dapp With Truffle, Solidity, Openzeppelin And
Learn web development, Python, app development, machine learning, AI, Blockchain, Web3 and game development in this 550-HOUR bundle.
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https://access-manager.openzeppelin.com/explorer/11155111
OpenZeppelin - Access Manager Explorer for 11155111
OpenZeppelin's Access Manager UI to explore and interact with permissions around an AccessManager smart contract for 11155111.
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https://www.openzeppelin.com/cairo-contracts
OpenZeppelin | Cairo Smart Contract Libraries
Battle-tested, open source smart contract libraries for Cairo. OpenZeppelin Contracts is the industry standard for ERC token implementations, used by leading...
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https://scarbs.xyz/packages/openzeppelin_macros/versions
openzeppelin_macros | Scarbs.xyz, the Cairo package registry
A Cairo package registry for Scarb
the cairoopenzeppelinmacrosxyzpackage
https://forum.openzeppelin.com/t/maximum-amount-of-transactions-that-changes-over-time/9415
Maximum amount of transactions that changes over time - Contracts - OpenZeppelin Forum
May 29, 2021 - Hi, Can anyone explain how to implement in an erc20 contract a function that when a transaction is executed, checks how much time has passed since the...
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https://forum.openzeppelin.com/u/farreldarian
Profile - farreldarian - OpenZeppelin Forum
A place for developers to learn, discuss, and explore design patterns and best practices around Ethereum, Solidity, and smart contract development
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https://docs.openzeppelin.com/upgrades-plugins
Upgrades Plugins | OpenZeppelin Docs
The official documentation for OpenZeppelin Libraries and Tools
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https://www.openzeppelin.com/news/evm-deterministic-deployments-made-easy-with-openzeppelin-defender
EVM Deterministic Deployments Made Easy with OpenZeppelin Defender
Sep 19, 2025 - Many projects seek to deploy their smart contracts onto multiple chains so that users can transact with lower gas fees. However, contract deployment involves...
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https://www.openzeppelin.com/news/evm-package-deployment-with-zeppelinos-part-ii-deploying-and-testing-a-linkedlist-contract
EVM package deployment with ZeppelinOS—Part II - OpenZeppelin blog
Sep 12, 2025 - In this section, we’ll make sure the contract we’ve deployed to our local network works by testing directly against it in Truffle Console. Once we’re happy it...
evmpackagedeploymentiiopenzeppelin
https://www.openzeppelin.com/news/state-of-evm-packages-end-of-2018
State of EVM Packages - End of 2018 - OpenZeppelin blog
Sep 12, 2025 - Two months ago, we presented the EVM package standard as a means to securely share on-chain upgradeable smart contract code. Since then, we have had a great...
state ofevmpackagesendopenzeppelin